CN209940576U

CN209940576U - Phosphorus recovery tank for sewage treatment

Info

Publication number: CN209940576U
Application number: CN201920649141.4U
Authority: CN
Inventors: 万展麒
Original assignee: Foshan Ruifeng Environmental Protection Technology Co Ltd
Current assignee: Foshan Ruifeng Environmental Protection Technology Co Ltd
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2020-01-14
Anticipated expiration: 2029-05-07

Abstract

The utility model discloses a phosphorus recovery tank for sewage treatment, which comprises a tank body, wherein the top end of the tank body is provided with an air supply pump, the inner wall of the tank body is provided with a plurality of air inlet pipes, and the air inlet pipes extend along the height direction of the tank body; the plurality of air inlet pipes are circumferentially distributed at intervals along the central axis of the tank body; the top end of the air inlet pipe is communicated with an outlet of the air supply pump; the air inlet pipe is provided with a plurality of air outlet holes which are distributed at intervals along the height direction of the air inlet pipe; the air outlet hole is used for guiding the gas in the air inlet pipe into the tank body. The utility model discloses a phosphorus recovery pond for sewage treatment, it can be when carrying out the phosphorus recovery, and leading-in gas in the pond makes sewage and phosphorus recovery medicament intensive mixing in the pond through the air current.

Description

Phosphorus recovery tank for sewage treatment

Technical Field

The utility model relates to a sewage treatment device technical field especially relates to a phosphorus recovery pond for sewage treatment.

Background

At present, the water and soil pollution is serious along with the unregulated discharge of factory sewage and domestic sewage. The phosphorus contained in domestic sewage is contained in the sewage such as phosphorus-containing organic matters, synthetic detergents, industrial waste liquid, agricultural chemical fertilizers and pesticides. The way in which phosphorus is present in sewage includes organic phosphorus and inorganic phosphorus. Therefore, when sewage is treated, phosphorus in the sewage needs to be treated and recovered. The existing method for degrading phosphorus in sewage is a chemical precipitation method, namely a physical chemical method for removing phosphorus in sewage by adding a medicament into the sewage to enable phosphate ions in the sewage to generate insoluble salt to form a flocculating constituent and separating water. The precipitation method can be divided into lime precipitation method and metal salt precipitation method according to the used medicament. However, the existing sewage treatment has low phosphorus recovery efficiency and poor recovery effect.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a phosphorus recovery tank for sewage treatment, which can lead in gas in the tank when phosphorus is recovered, and can lead sewage and phosphorus in the tank to be fully mixed with a phosphorus recovery agent through airflow.

The purpose of the utility model is realized by adopting the following technical scheme:

a phosphorus recovery tank for sewage treatment comprises a tank body, wherein a gas supply pump is arranged at the top end of the tank body, a plurality of gas inlet pipes are arranged on the inner wall of the tank body, and the gas inlet pipes extend along the height direction of the tank body; the plurality of air inlet pipes are circumferentially distributed at intervals along the central axis of the tank body; the top end of the air inlet pipe is communicated with an outlet of the air supply pump; the air inlet pipe is provided with a plurality of air outlet holes which are distributed at intervals along the height direction of the air inlet pipe; the air outlet hole is used for guiding the gas in the air inlet pipe into the tank body.

Preferably, the bottom wall of the pool body is provided with a turnover mechanism, and the turnover mechanism comprises a turnover frame, a plurality of turnover blades and a plurality of turnover motors; the roll-over stand is fixedly connected with the bottom wall of the tank body; the plurality of turnover blades are pivoted on the turnover frame; the plurality of turnover blades are distributed at intervals along the length direction of the turnover frame; the machine body of each overturning motor is arranged on the overturning frame; the rotating shaft of each overturning motor is synchronously connected with each overturning blade.

Preferably, the turning blade comprises a connecting sheet and a bucket, and the connecting sheet is pivoted on the turning frame through a rotating shaft and is synchronously connected with a rotating shaft of the turning motor; the bucket is fixed with the connecting piece.

Preferably, a plurality of first protective covers are arranged on the roll-over stand, and the first protective covers are covered outside the machine body of the roll-over motor in a one-to-one correspondence manner and are fixed with the roll-over stand.

Preferably, a defoaming grid is arranged in the tank body, and two ends of the defoaming grid are fixed on the inner wall of the tank body.

Preferably, a second protective cover is arranged at the top end of the tank body, and a second protective cover is arranged outside the air supply pump.

Compared with the prior art, the beneficial effects of the utility model reside in that: it can be when carrying out the phosphorus and retrieving, the leading-in gas of sewage in the cell body, retrieve the medicament intensive mixing through air current messenger pond sewage and phosphorus, and the venthole of a plurality of intake pipes all has the distribution from top to bottom, therefore the air current in the leading-in cell body also distributes from top to bottom, and the leading-in relative even of air current mixes more fully evenly, and phosphorus recovery efficiency is higher, and the sewage treatment effect is better.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a partial structure of the turnover mechanism of the present invention.

In the figure: 10. a tank body; 11. a second shield; 20. an air supply pump; 30. an air inlet pipe; 31. an air outlet; 41. a roll-over stand; 42. turning over the blades; 421. connecting sheets; 422. a bucket; 43. and (5) overturning the motor.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1 and 2, a phosphorus recovery tank for sewage treatment includes a tank body 10, a gas supply pump 20 is disposed at a top end of the tank body 10, a plurality of gas inlet pipes 30 are disposed on an inner wall of the tank body 10, each gas inlet pipe 30 extends along a height direction of the tank body 10, and the plurality of gas inlet pipes 30 are circumferentially distributed at intervals along a central axis of the tank body 10. Specifically, the top end of the air inlet pipe 30 is communicated with the outlet of the air supply pump 20, a plurality of air outlet holes 31 are formed in the air inlet pipe 30, and the air outlet holes 31 are distributed at intervals along the height direction of the air inlet pipe 30; the gas outlet 31 is used for guiding the gas in the gas inlet pipe 30 into the cell body 10.

On the basis of the structure, when using the phosphorus recovery pond for sewage treatment of this embodiment, can pass through in the outside water pump goes into cell body 10 with sewage, after sewage gets into cell body 10, can add dephosphorization medicament in cell body 10 (can purchase the result by current market), at this moment, start air feed pump 20, air feed pump 20 can lead to in gaseous to the intake pipe 30, make sewage and phosphorus recovery medicament intensive mixing in the pond through the air current, and the venthole 31 of a plurality of intake pipes 30 all has the distribution from top to bottom, therefore the air current of leading-in cell body 10 also distributes from top to bottom, the air current is leading-in relatively even, it is more abundant even to mix, phosphorus recovery efficiency is higher, sewage treatment effect is better.

The air supply pump 20 introduces compressed air, and may also use inert gas such as carbon dioxide and nitrogen, and uses air flow stirring, and has no moving parts, so that it is suitable for stirring corrosive sewage, and is more suitable than stirring method using stirring blades, and has better stirring effect. In addition, air feed pump 20 chooses for use as the high pressure air pump among the prior art, and the mouth of pipe with intake pipe 30 and the export accessible sleeve pipe of air feed pump 20 carry out sealing connection, and suit one end can be suited on air feed pump 20 export and lock through the screw, and the sheathed tube other end then the mouth of pipe of accessible screw intake pipe 30 locks, and the exit linkage mode of specific intake pipe 30 and air feed pump 20 is conventional selection among the prior art, does not belong to the technical content that this application will protect, and it is no longer repeated in detail here.

Preferably, still can be equipped with tilting mechanism at the diapire of cell body 10, specific tilting mechanism includes roll-over stand 41, a plurality of upset blade 42 and a plurality of upset motor 43, with roll-over stand 41 rigid coupling in the diapire of cell body 10, roll-over stand 41's rigid coupling can be chooseed for use and is welded. In addition, a plurality of turning vanes 42 are pivoted on the turning frame 41; the turning vanes 42 are spaced apart from each other in the longitudinal direction of the turning frame 41. Installing the machine body of each overturning motor 43 on the overturning frame 41; the rotation shaft of each turning motor 43 is synchronously coupled with each turning blade 42. Thus, after the dephosphorization is completed, the sewage in the tank body 10 can be discharged into the next treatment tank for further treatment. And the sediment of production can deposit at the bottom of the pool after phosphorus in the sewage takes place chemical reaction with the dephosphorization medicament, and the sediment that the deposit was of a specified duration is comparatively compact, is not convenient for clear up, and for better cleaing away the sediment, can start upset motor 43, and upset motor 43 can drive each upset blade 42 and overturn, and the upset blade 42 upset can contact with the sediment at the bottom of the pool, makes the sediment pine take off, and its principle is similar to loosening the soil. Afterwards, the operator can shovel off the sediments loosened from the pool body 10 by a shovel or other earth-digging equipment, so that the time and labor are saved, and the efficiency is higher.

Further, the turning blade 42 includes a connecting piece 421 and a bucket 422, the connecting piece 421 is pivoted to the turning frame 41 via a rotating shaft, and the rotating shaft is synchronously connected with the rotating shaft of the turning motor 43. In addition, scraper bowl 422 is fixed with connection piece 421, and so, upset motor 43 drives the axis of rotation and rotates, and the axis of rotation rotates and drives connection piece 421 and rotate, and then drives scraper bowl 422 upset, and scraper bowl 422 structure can be similar with the scraper knife structure among the prior art, therefore can make the precipitate pine take off at the rotation in-process. The connecting piece 421 and the bucket 422 can be integrally formed by the prior art.

Further, a plurality of first protection covers can be arranged on the roll-over stand 41, and each first protection cover covers the outside of the body of the roll-over motor 43 and is fixed with the roll-over stand 41 in a one-to-one correspondence manner, so that the body of the roll-over motor 43 can be protected by the first protection cover, the corrosion of the body of the roll-over motor 43 is reduced, and the service life is prolonged. The specific first protection cover can be fixed on the roll-over stand 41 through screws, a waterproof gasket can be clamped between the first protection cover and the roll-over stand 41, a better sealing effect is achieved after installation, and the protection effect is better.

Preferably, in this embodiment, still be equipped with the defoaming grid in cell body 10, the both ends of defoaming grid can weld or through the fix with screw on the inner wall of cell body 10, so, at the stirring in-process, the bubble that produces in the stirring in-process can be eliminated in the grid hole of defoaming grid, makes stirring effect better. Of course, the defoaming grid can be formed directly from the grid mesh of the prior art.

Preferably, a second protective cover 11 is further provided at the top end of the tank body 10, and a second protective cover 11 is provided outside the air supply pump 20, wherein the second protective cover 11 can also protect the air supply pump 20 to provide a service life thereof. Of course, the second protection cover 11 can also be fixed on the top end of the pool body 10 by screws.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims

1. A phosphorus recovery tank for sewage treatment is characterized by comprising a tank body, wherein a gas supply pump is arranged at the top end of the tank body, a plurality of gas inlet pipes are arranged on the inner wall of the tank body, and the gas inlet pipes extend along the height direction of the tank body; the plurality of air inlet pipes are circumferentially distributed at intervals along the central axis of the tank body; the top end of the air inlet pipe is communicated with an outlet of the air supply pump; the air inlet pipe is provided with a plurality of air outlet holes which are distributed at intervals along the height direction of the air inlet pipe; the air outlet hole is used for guiding the gas in the air inlet pipe into the tank body.

2. The phosphorus recovery tank for wastewater treatment of claim 1, wherein the bottom wall of the tank body is provided with a turnover mechanism, the turnover mechanism comprises a turnover frame, a plurality of turnover vanes and a plurality of turnover motors; the roll-over stand is fixedly connected with the bottom wall of the tank body; the plurality of turnover blades are pivoted on the turnover frame; the plurality of turnover blades are distributed at intervals along the length direction of the turnover frame; the machine body of each overturning motor is arranged on the overturning frame; the rotating shaft of each overturning motor is synchronously connected with each overturning blade.

3. The phosphorus recovery tank for sewage treatment as claimed in claim 2, wherein the turning blade comprises a connecting piece and a bucket, the connecting piece is pivoted on the turning frame through a rotating shaft and is synchronously connected with the rotating shaft of the turning motor; the bucket is fixed with the connecting piece.

4. The phosphorus recovery tank for wastewater treatment according to claim 2, wherein the roll-over stand is provided with a plurality of first protection covers, and each first protection cover is covered on the outside of the body of the roll-over motor in a one-to-one correspondence manner and fixed with the roll-over stand.

5. The phosphorus recovery tank for wastewater treatment according to claim 1, wherein a defoaming grid is provided in the tank body, and both ends of the defoaming grid are fixed on the inner wall of the tank body.

6. The phosphorus recovery tank for wastewater treatment of claim 1, wherein the top end of the tank body is provided with a second protective cover, and the air supply pump is covered with a second protective cover.